Answers: 1
Chemistry, 22.06.2019 03:00
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
Answers: 3
Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
Chemistry, 22.06.2019 22:30
The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)
Answers: 2
Solid chromium (III) reacts with oxygen gas to form solid Cr2O3. What is this type of reaction?...
Mathematics, 06.05.2020 07:39
Chemistry, 06.05.2020 07:39
Arts, 06.05.2020 07:39
Biology, 06.05.2020 07:39
Physics, 06.05.2020 07:39
Mathematics, 06.05.2020 07:40
English, 06.05.2020 07:40
Social Studies, 06.05.2020 07:40
Physics, 06.05.2020 07:40
History, 06.05.2020 07:40
Social Studies, 06.05.2020 07:40
Mathematics, 06.05.2020 07:40
Mathematics, 06.05.2020 07:40